ELECTRICAL PROBING WITH AN APPARATUS IN WATER 



175 



the numbers of the first column by terms in the right hand side of 



the equations. 



(9a) 



where D = —'ImliQ', 



F = -2m(Ao-^o); 



L = -2m(/?o+/ii--o); 



Q= -2m( 2^--~o 



n-l 

 f=o 



Removing from the sign of the determinant A the general factor e^'"'-', 

 we obtain: 



A = e-^"'''''A, (10) 



where A 



i 



